A274283 - OEIS

A274283

Numbers that are a product of distinct numbers in A022095.

1, 5, 6, 11, 17, 28, 30, 45, 55, 66, 73, 85, 102, 118, 140, 168, 187, 191, 225, 270, 308, 309, 330, 365, 438, 476, 495, 500, 510, 590, 708, 765, 803, 809, 840, 935, 955, 1122, 1146, 1241, 1260, 1298, 1309, 1350, 1540, 1545, 1848, 1854, 2006, 2044, 2101, 2118

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

See the Comment on distinct-product sequences in A160009.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

EXAMPLE

30 = 5*6, 330 = 5*6*11.

MATHEMATICA

f[1] = 1; f[2] = 5; z = 32; f[n_] := f[n - 1] + f[n - 2]; f = Table[f[n], {n, 1, z}]; f

s = {1}; Do[s = Union[s, Select[s*f[[i]], # <= f[[z]] &]], {i, z}]; s